在英语中，那些词，像in,of,with,at,to,for等等。它们的应用，还有他们的区别

该处with表人与人之间的协同关系
Guo Zhenyuan, a researcher with the Beijing-based China Institute of International Studies,——与中国国际学术会议机构北京总部合作的研究人员郭振远

EG：make friends with sb
talk with sb
quarrel with sb
struggle with sb
fight with sb
play with sb
work with sb
cooperate with sb
I have been friends with Tom for ten years since we worked with each other , and I have never quarreled with him .自从我们一起工作以来，我和汤母已经是十年的朋友了，但我们从没有吵过架。

of可表示人物的特性,籍贯,特性或出生等
He is of Irish descend (ascent)
People of obscure origin (humble /noble)
Man of keen perception a man of moral integrity

from有时也可以表示人物的特性,籍贯,特性或出生等
He is from China.
He comes from China.

该处如果用of/from,意思一样
Guo Zhenyuan, a researcher of/from the Beijing-based China Institute of International Studies,——来自中国国际学术会议机构北京总部合作的研究人员郭振远

in比较强调在空间位置中
in on at
一. in,on在方位名词前的区别
1. in表示A地在B地范围之内。如：
Taiwan is in the sout